Home / 49,904.15-74,910.90-31,205.30

Finding the Fourth Proportional to 49,904.15, 74,910.90 and 31,205.30

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Solution

The fourth proportional to 49,904.15, 74,910.90 and 31,205.30 is: 46,842.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,904.15 : 74,910.90 = 31,205.30 : x
  2. Step 2: Convert to fraction form
    49,904.15/74,910.90 = 31,205.30/x
  3. Step 3: Cross multiply
    49,904.15x = 74,910.90 × 31,205.30
  4. Step 4: Simplify right side
    49,904.15x = 2,337,617,107.77
  5. Step 5: Solve for x
    x = 2,337,617,107.77/49,904.15
  6. Step 6: Final answer
    x = 46,842.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.